/**
 * 全站http配置
 *
 * axios参数说明
 * isSerialize是否开启form表单提交
 * isToken是否需要token
 */
import axios from "axios";
import store from "@/store/";
import router from "@/router/router";
import { serialize } from "@/util/util";
import { getToken } from "@/util/auth";
import { Message } from "element-ui";
import website from "@/config/website";
import NProgress from "nprogress"; // progress bar
import "nprogress/nprogress.css"; // progress bar style
axios.defaults.timeout = 500;
// 返回其他状态吗
axios.defaults.validateStatus = function(status) {
  return status >= 200 && status <= 500; // 默认的
};
// 跨域请求，允许保存cookie
axios.defaults.withCredentials = true;
// NProgress Configuration
NProgress.configure({
  showSpinner: false
});
// HTTPrequest拦截
axios.interceptors.request.use(
  config => {
    NProgress.start(); // start progress bar
    const meta = config.meta || {};
    const isToken = meta.isToken === false;
    if (getToken() && !isToken) {
      config.headers[website.Authorization] = getToken(); // 让每个请求携带token--['Authorization']为自定义key 请根据实际情况自行修改
    }
    // headers中配置serialize为true开启序列化
    if (config.method === "post" && meta.isSerialize === true) {
      config.data = serialize(config.data);
    }

    return config;
  },
  error => {
    return Promise.reject(error);
  }
);
// HTTPresponse拦截
axios.interceptors.response.use(
  res => {
    NProgress.done();
    // 如果请求为非200否者默认统一处理
    const status = Number(res.data.code) || 200;
    const statusWhiteList = website.statusWhiteList || [];
    const message = res.data.message || "未知错误";
    // 如果在白名单里则自行catch逻辑处理
    if (statusWhiteList.includes(status)) return Promise.reject(res);
    // 如果是401则跳转到登录页面
    if (status === 401)
      store.dispatch("FedLogOut").then(() => router.push({ path: "/login" }));

    if (status !== 1) {
      Message({
        message: message,
        type: "error"
      });
      return Promise.reject(new Error(message));
    }
    return res.data;
  },
  error => {
    NProgress.done();
    console.dir(error);
    return Promise.reject(new Error(error));
  }
);

export default axios;
